Synonyms for Moral (same or very similar meaning)
WordNet sense 1 (the significance of a story or event):
lesson
WordNet sense 2 (guided by or in accordance with conscience or sense of right and wrong):
conscientious
WordNet sense 3 (adhering to ethical and moral principles):
ethical, honorable, honourable
WordNet sense 4 (in conformance with justice or law or morality):
right
WordNet sense 5 (involving the mind or an intellectual process):
mental
WordNet sense 6 (morally justified):
righteous
WordNet sense 7 (abstaining from unlawful sexual intercourse):
chaste
From the ODE community, based on WordNet
add/edit